Trajectory plots

## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-22 to
## 2021-08-22 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-23 to
## 2021-08-23 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-22 to
## 2021-08-22 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-23 to
## 2021-08-23 in geography '*': no results